Author Archive for Greg Arnold

Used Sailplane Review: LS-3

A few lucky pilots can afford to buy the latest sailplanes, but most of us are limited to used ones.  The price of used gliders varies widely.  The Libelle is available for around $15,000, while for a little over $20,000 you can purchase a ship such as a Mosquito, PIK-20, Mini-Nimbus, or LS-3.  For $25,000…

ClearNav Changes

There have been recent changes at the company that produces the ClearNav flight computer and variometer. The ClearNav was developed by the Nielsen-Kellerman Company, which was owned in part by soaring pilot Richard Kellerman. Kellerman has now sold his interest in the company.  According to NK, “the ClearNav brand has been acquired by founder Richard Kellerman and…

The ClearNav Vario

Richard Kellerman now has working prototypes of the long awaited ClearNav (CN) vario. The new vario will be tested during our winter by pilots flying in South Africa and Australia.  Up to now, the ClearNav flight computer has worked only with the Cambridge 302 vario.  The new CN vario will take over that task, and also will work with…